/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.netty.http;

import java.util.ArrayList;
import java.util.List;

import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;

public class NettyHttpProducerTwoParametersWithSameKeyTest extends BaseNettyTest {

    @Test
    public void testTwoParametersWithSameKey() {
        Exchange out = template.request("netty-http:http://localhost:{{port}}/myapp?from=me&to=foo&to=bar", null);

        assertNotNull(out);
        assertFalse(out.isFailed(), "Should not fail");
        assertEquals("OK", out.getMessage().getBody(String.class));
        assertEquals("yes", out.getMessage().getHeader("bar"));

        List<?> foo = out.getMessage().getHeader("foo", List.class);
        assertNotNull(foo);
        assertEquals(2, foo.size());
        assertEquals("123", foo.get(0));
        assertEquals("456", foo.get(1));
    }

    @Test
    public void testTwoHeadersWithSameKeyHeader() {
        Exchange out = template.request("netty-http:http://localhost:{{port}}/myapp", exchange -> {
            exchange.getIn().setBody(null);
            exchange.getIn().setHeader("from", "me");
            List<String> list = new ArrayList<>();
            list.add("foo");
            list.add("bar");
            exchange.getIn().setHeader("to", list);
        });

        assertNotNull(out);
        assertFalse(out.isFailed(), "Should not fail");
        assertEquals("OK", out.getMessage().getBody(String.class));
        assertEquals("yes", out.getMessage().getHeader("bar"));

        List<?> foo = out.getMessage().getHeader("foo", List.class);
        assertNotNull(foo);
        assertEquals(2, foo.size());
        assertEquals("123", foo.get(0));
        assertEquals("456", foo.get(1));
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() {
                from("netty-http:http://localhost:{{port}}/myapp").process(exchange -> {
                    String from = exchange.getIn().getHeader("from", String.class);
                    assertEquals("me", from);

                    List<?> to = exchange.getIn().getHeader("to", List.class);
                    assertNotNull(to);
                    assertEquals(2, to.size());
                    assertEquals("foo", to.get(0));
                    assertEquals("bar", to.get(1));

                    // response
                    exchange.getMessage().setBody("OK");
                    // use multiple values for the foo header in the reply
                    List<Integer> list = new ArrayList<>();
                    list.add(123);
                    list.add(456);
                    exchange.getMessage().setHeader("foo", list);
                    exchange.getMessage().setHeader("bar", "yes");
                });
            }
        };
    }

}
